Atoms
What is the name of the positively charged particle in an atom?
Protons
The periodic table holds all the ______________ known to humans.
Elements
The number of _____________ is fixed in all isotopes of the same element.
protons
What is the name of the negatively charged particle in an atom?
Electrons
The periodic table is divided into ____________ and ____________
Groups and periods
The number of _____________ changes between different isotopes of the same element.
neutrons
How to calculate the number of Neutrons in an atom?
Subtract number of protons from the atomic mass
(atomic mass - Protons)
The Group of the first 2 columns is the same as the ______________ ________________ of the atom
Valence electrons
Carbon-12 is the _____________ _______________ of this isotope
isotopic notation
Where is the electrons located in an atom?
The electron cloud
Periods are the _____________ rows in the periodic table
Horizontal
Which Isotope is found in the periodic table?
The most abundant isotope
What is the fundamental particle of an atom?
The proton
group
if the isotopic notation is Oxygen-18 what is the number of protons electrons and neutrons
8, 8, 10